Why this beats a Boolean search and an export
A Boolean string filters on the words in a profile. It cannot tell you whether the person is any good, and it cannot tell you whether they are reachable. So the traditional shape of the job is: search, export a few hundred rows, buy credits to reveal contact details for all of them, then read through and discard most of what you paid for.
This play inverts the order. The expensive step, finding a personal email, runs last and runs only on people who already passed the spec. Qualification is the free part, so it runs on everyone. That single reordering is most of the cost difference between an automated desk and a manual one.
What you get back
A CSV in your own working folder with one row per candidate: name, current title and employer, the dated history that was used to score them, the tier or score, the reason, the personal email where one was found, and the LinkedIn profile. Alongside it, a short written summary naming who to call first.
Nothing is sent. Nothing is written into your ATS. The play stops at the shortlist and hands it to you.
Variations worth knowing
Name the competitors yourself. If you already know the four companies worth raiding, say so in the prompt. It saves a step and it is usually more accurate than anything the web will infer.
Ask for a bigger longlist. If the role is niche, ask for a wider top of funnel and a harder qualification threshold. You will spend a little more on history and considerably less on dead ends.
Add a competitor bench check. When four or more strong people surface at the same company, that is worth knowing on its own. Ask for the count by employer and you get a raid map alongside the shortlist.
Push it further. Once the shortlist looks right, the same session can draft the approach messages and enrol the candidates in a sequence. That is a separate, separately approved step, covered in build an outreach sequence.
Where this goes wrong
A vague spec produces a vague shortlist. The must-haves are what qualification scores against. If the spec says "strong communicator and a self-starter", there is nothing to score. Give it the two or three things that would actually make you reject a CV.
Very small employers have thin coverage. A five-person company leaves almost no trace in any people database. That is not a provider failing you can spend your way out of, so the play flags it rather than burning credits chasing it.
Do not filter on anything protected. Age, gender, ethnicity and the rest are not selection criteria and the play will not score on them, no matter how the prompt is worded. Score on skills, experience and evidence.